package ooday01;

public class ConsDemo {
    public static void main(String[] args) {
        Student zs = new Student();
        zs.name = "张三";
        zs.age = 22;
        zs.className = "jsd2408";
        zs.stuId = "001";
        zs.sayHi();

        Student ls = new Student("李四",23,"jsd2408","002");
        ls.sayHi();

        Student ww = new Student("王五",24,"jsd2408","003");
        ww.sayHi();
    }
}










